Event: Open Cup

PDF Excel

Opponent	Rating	Result
Douglas J Barnett	128	1 - 0
Glyn D Valentine	145	1 - 0
Karol Grzybowski	137	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

270 = (410 + 400 * (2 - 1)) / 3)